20008473981

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{402043}}^1$

素因数の和:402412

約数の個数: 16

約数和(自身を含む): 27268232256

約数和(自身を除く): 7259758275

約数列:

[1, 3, 53, 159, 313, 939, 16589, 49767, 402043, 1206129, 21308279, 63924837, 125839459, 377518377, 6669491327, 20008473981]

約数ペア:

[(1, 20008473981), (3, 6669491327), (53, 377518377), (159, 125839459), (313, 63924837), (939, 21308279), (16589, 1206129), (49767, 402043)]